行业组件数据 · 2026

搅拌桨轮毂

Central mounting component connecting agitator blades to the drive shaft in chemical reactors.

技术定义与适配语境
典型 搅拌桨轮毂 会按材料、尺寸公差、适配关系和失效风险在 化学制造 中评估。

The hub is the critical central component of a chemical reactor agitator blade assembly that securely connects multiple blades to the rotating drive shaft. It transmits torque from the shaft to the blades while maintaining precise angular positioning and structural integrity under high mechanical stresses, corrosive environments, and varying temperature conditions. The hub's design ensures uniform blade distribution for optimal mixing efficiency and prevents blade detachment during operation.

组件规格

定义
The hub is the critical central component of a chemical reactor agitator blade assembly that securely connects multiple blades to the rotating drive shaft. It transmits torque from the shaft to the blades while maintaining precise angular positioning and structural integrity under high mechanical stresses, corrosive environments, and varying temperature conditions. The hub's design ensures uniform blade distribution for optimal mixing efficiency and prevents blade detachment during operation.
工作原理
The hub functions as a torque-transmitting interface between the rotating drive shaft and agitator blades. It converts rotational energy from the shaft into mechanical motion of the blades through rigid mechanical coupling. The hub maintains fixed angular relationships between blades to create controlled fluid dynamics patterns within the reactor vessel, ensuring consistent mixing, heat transfer, and chemical reaction efficiency.
材料
Stainless steel (316/316L)Hastelloy C-276Titanium Grade 2Duplex stainless steel (2205)Nickel alloys (Inconel 625)with surface treatments: passivationelectropolishingor specialized coatings for corrosion resistance.
Bolt Pattern
ISO metric or ANSI/ASME standard
Mounting Type
Keyed, Splined, or Taper-lock connection
Diameter Range
150-800 mm
Surface Finish
Ra ≤ 0.8 μm for hygienic applications
Pressure Rating
Up to 100 bar
Weight Capacity
500-5000 kg per blade attachment point
Operating Temperature
-50°C to 400°C
标准
ISO 2852DIN 11864ASME BPEEHEDG

行业分类与别名

搅拌桨轮毂 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Stress corrosion cracking in chloride environments->Catastrophic hub fracture leading to blade detachment->Use duplex stainless steel or nickel alloys, implement regular NDT inspections, control process chemistry to minimize chloride concentration
Improper bolt torque during installation->Loosening of blade attachments causing vibration and imbalance->Use calibrated torque wrenches, follow manufacturer specifications, implement torque verification procedures during maintenance
Cavitation erosion in high-speed applications->Material loss and structural weakening of hub surfaces->Design with adequate wall thickness, use cavitation-resistant materials, operate below critical speed thresholds

工业生态与工程逻辑

0
Corrosion failure in aggressive chemical environments
1
Fatigue cracking from cyclic loading
2
Improper installation causing imbalance
3
Galvanic corrosion with dissimilar metals
4
Creep deformation at elevated temperatures

合规与检测

tolerance
±0.05 mm for bore diameter, ±0.1° for angular positioning, Ra ≤ 0.8 μm surface finish for hygienic applications
test method
Dimensional verification with CMM, material certification per ASTM/EN standards, pressure testing per ASME BPVC, NDT (UT/MPI) for defect detection

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制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of an agitator blade hub?

The hub serves as the central connection point that transmits rotational force from the drive shaft to multiple agitator blades while maintaining their precise angular positioning for effective fluid mixing.

How do I select the right material for a chemical reactor hub?

Material selection depends on the chemical process: stainless steel for general applications, nickel alloys for extreme corrosion resistance, and specialized coatings for abrasive or high-temperature environments. Consider pH, temperature, pressure, and chemical compatibility.

What maintenance is required for agitator hubs?

Regular inspection for corrosion, crack detection (dye penetrant or ultrasonic testing), bolt torque verification, and alignment checks. Replacement typically occurs during major reactor overhauls every 3-5 years depending on service conditions.

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URN:CNFX:ME:UNIT:HUB